Pith Number

pith:SR2SJZZ6

pith:2009:SR2SJZZ6N3TIQLKC7VNMV73QTY

not attested not anchored not stored refs pending

HERACLES: The HERA CO-Line Extragalactic Survey

A. K. Leroy, A. Usero, A. Weiss, C. Kramer, E. Brinks, F. Bigiel, F. Walter, H. Roussel, H.W. Wiesemeyer, K.-F. Schuster, R.C. Kennicutt, W.J.G. de Blok

arxiv:0905.4742 v1 · 2009-05-28 · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SR2SJZZ6N3TIQLKC7VNMV73QTY}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T04:37:34.117095Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

947524e73e6ee6882d42fd5acaff709e21f8be2b982a791c5c1f555685ca29fd

Aliases

arxiv: 0905.4742 · arxiv_version: 0905.4742v1 · doi: 10.48550/arxiv.0905.4742 · pith_short_12: SR2SJZZ6N3TI · pith_short_16: SR2SJZZ6N3TIQLKC · pith_short_8: SR2SJZZ6

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/SR2SJZZ6N3TIQLKC7VNMV73QTY \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 947524e73e6ee6882d42fd5acaff709e21f8be2b982a791c5c1f555685ca29fd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bbf85abee0128e1f2d68fb0fc01f663331c30c044a8c4f8aeee9054b8194568c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-05-28T20:38:55Z",
    "title_canon_sha256": "0a2da2dea4808130564d9ac512f158b2f37ec1cde7181fa6a61e4b8b32c7f934"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.4742",
    "kind": "arxiv",
    "version": 1
  }
}